Analysis
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max time kernel
144s -
max time network
151s -
platform
windows7_x64 -
resource
win7 -
submitted
07-07-2020 17:27
Static task
static1
Behavioral task
behavioral1
Sample
INVOICE PDF.exe
Resource
win7
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
INVOICE PDF.exe
Resource
win10
0 signatures
0 seconds
General
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Target
INVOICE PDF.exe
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Size
556KB
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MD5
7bfad62088a9d2186c233c0d346a58de
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SHA1
e6e454a6ae42414dc03afd6f2fade5fdf1f72a52
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SHA256
39c437d661ebd2816fb9228a00524a526abbfea18a3b17aba9a4abbfd7691045
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SHA512
4dcc820ecf6dabf93f02011ec2bca8467040dbfde10bf84238b882274abfb4559c64ef66902db8cc7f6773d6d193f73de8d44095bc456d28d1ae656041aaef54
Malware Config
Extracted
Family
agenttesla
Credentials
Protocol: smtp- Host:
mail.dianaglobalmandiri.com - Port:
587 - Username:
[email protected] - Password:
Batam2019
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/1508-2-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1508-3-0x0000000000447B9E-mapping.dmp family_agenttesla behavioral1/memory/1508-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1508-5-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
Processes:
RegSvcs.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\CpSnJ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CpSnJ\\CpSnJ.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
INVOICE PDF.exedescription pid process target process PID 1612 set thread context of 1508 1612 INVOICE PDF.exe RegSvcs.exe -
Modifies registry key 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegSvcs.exepid process 1508 RegSvcs.exe 1508 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 1508 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegSvcs.exepid process 1508 RegSvcs.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
INVOICE PDF.exeRegSvcs.exedescription pid process target process PID 1612 wrote to memory of 1508 1612 INVOICE PDF.exe RegSvcs.exe PID 1612 wrote to memory of 1508 1612 INVOICE PDF.exe RegSvcs.exe PID 1612 wrote to memory of 1508 1612 INVOICE PDF.exe RegSvcs.exe PID 1612 wrote to memory of 1508 1612 INVOICE PDF.exe RegSvcs.exe PID 1612 wrote to memory of 1508 1612 INVOICE PDF.exe RegSvcs.exe PID 1612 wrote to memory of 1508 1612 INVOICE PDF.exe RegSvcs.exe PID 1612 wrote to memory of 1508 1612 INVOICE PDF.exe RegSvcs.exe PID 1612 wrote to memory of 1508 1612 INVOICE PDF.exe RegSvcs.exe PID 1612 wrote to memory of 1508 1612 INVOICE PDF.exe RegSvcs.exe PID 1612 wrote to memory of 1508 1612 INVOICE PDF.exe RegSvcs.exe PID 1612 wrote to memory of 1508 1612 INVOICE PDF.exe RegSvcs.exe PID 1612 wrote to memory of 1508 1612 INVOICE PDF.exe RegSvcs.exe PID 1508 wrote to memory of 1664 1508 RegSvcs.exe REG.exe PID 1508 wrote to memory of 1664 1508 RegSvcs.exe REG.exe PID 1508 wrote to memory of 1664 1508 RegSvcs.exe REG.exe PID 1508 wrote to memory of 1664 1508 RegSvcs.exe REG.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\INVOICE PDF.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\REG.exeREG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f3⤵
- Modifies registry key
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1508-2-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1508-3-0x0000000000447B9E-mapping.dmp
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memory/1508-4-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1508-5-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1612-1-0x0000000000000000-0x0000000000000000-disk.dmp
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memory/1664-6-0x0000000000000000-mapping.dmp